Breaking up signals in time is perhaps the most common way of decomposing, but also the one we do manually most often.


  • Most common way of decomposing
  • To the extent that we might not even notice it
  • Fundamental to building a library / corpus / whatever
  • Can have a great effect on whatever processing or analysis comes after
  • Many techniques, working at different scales
  • Unlikely that one will fulfil all needs, because it's a complex task

More depth on some techniques: